Add mastodon link for Diomidis Spinellis

1988/spinellis/README.md

@@ -1,10 +1,9 @@
 ## Best abuse of the rules
 
-Diomidis Spinellis (currently at Imperial College, London, England)  
-1 Myrsinis Str.  
-GR-145 62 Kifissia  
+Diomidis Spinellis  
 Greece  
 <https://www.spinellis.gr/>  
+Mastodon: <https://mstdn.social/@DSpinellis>
 
 ## To build:
 

1990/dds/README.md

@@ -1,11 +1,9 @@
 # Best Language Tool
 
 Diomidis Spinellis  
-Imperial College, University of London  
-Myrsinis 1  
-GR-145 62 Kifissia  
 Greece  
 <https://www.spinellis.gr/>  
+Mastodon: <https://mstdn.social/@DSpinellis>
 
 ## To build:
 

1991/dds/README.md

@@ -1,11 +1,9 @@
 # Most Well Rounded
 
 Diomidis Spinellis  
-Imperial College, University of London  
-Myrsinis 1  
-GR-145 62 Kifissia  
 Greece  
 <https://www.spinellis.gr/>  
+Mastodon: <https://mstdn.social/@DSpinellis>
 
 ## To build:
 

1995/spinellis/README.md

@@ -1,11 +1,9 @@
 # Abusing The Rules
 
 Diomidis Spinellis  
-SENA S.A.  
-Kyprou 27  
-GR-152 37 Filothei   
-Greece 
-<http://www.spinellis.gr>  
+Greece  
+<https://www.spinellis.gr/>  
+Mastodon: <https://mstdn.social/@DSpinellis>
 
 ## To build:
 

tmp/winners.csv

@@ -63,7 +63,7 @@ David Madore,David_Madore,http://www.madore.org/~david/,david+alexander@madore.o
 David Van Brackle,David_Van_Brackle,http://east.isx.com/~vanb/,vanb@east.isx.com,null,null,null
 Dean Swift,Dean_Swift,null,null,null,null,null
 Derek Anderson,Derek_Anderson,null,dereka9991@gmail.com,null,null,null
-Diomidis Spinellis,Diomidis_Spinellis,http://www.spinellis.gr,dds@aueb.gr,null,null,null
+Diomidis Spinellis,Diomidis_Spinellis,http://www.spinellis.gr,dds@aueb.gr,Greece,https://mstdn.social/@DSpinellis,null
 Dominik Muth,Dominik_Muth,null,dominik.muth@gmx.de,null,null,null
 Don Dodson,Don_Dodson,http://www.neta.com/~dodson/,null,null,null,null
 Don Yang,Don_Yang,http://uguu.org/,omoikane@uguu.org,null,null,null